CNVD-2015-07849

Vulnerability from cnvd - Published: 2015-11-30
VLAI
Title
FFmpeg 'smka_decode_frame'函数拒绝服务漏洞
Description
FFmpeg是一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 2.6.5之前的版本,2.7.3之前的2.7.x版本和2.8.2及之前的2.8.x版本libavcodec / smacker.c文件中的smka_decode_frame函数存在安全漏洞。由于未验证数据大小与信道容量匹配的问题,允许远程攻击者利用此漏洞通过特制的Smacker数据造成拒绝服务。
Severity
Patch Name
FFmpeg 'smka_decode_frame'函数拒绝服务漏洞的补丁
Patch Description
FFmpeg是一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 2.6.5之前的版本,2.7.3之前的2.7.x版本和2.8.2及之前的2.8.x版本libavcodec / smacker.c文件中的smka_decode_frame函数存在安全漏洞。由于未验证数据大小与信道容量匹配的问题,允许远程攻击者利用此漏洞通过特制的Smacker数据造成拒绝服务。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=4a9af07a49295e014b059c1ab624c40345af5892

Reference
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8365 http://git.videolan.org/?p=ffmpeg.git;a=commit;h=4a9af07a49295e014b059c1ab624c40345af5892
Impacted products
Name
['FFmpeg FFmpeg <2.6.5', 'FFmpeg FFmpeg 2.7.x(<2.7.3)', 'FFmpeg FFmpeg 2.8.x(<=2.8.2)']
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8365"
    }
  },
  "description": "FFmpeg\u662f\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nFFmpeg 2.6.5\u4e4b\u524d\u7684\u7248\u672c\uff0c2.7.3\u4e4b\u524d\u76842.7.x\u7248\u672c\u548c2.8.2\u53ca\u4e4b\u524d\u76842.8.x\u7248\u672clibavcodec / smacker.c\u6587\u4ef6\u4e2d\u7684smka_decode_frame\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u672a\u9a8c\u8bc1\u6570\u636e\u5927\u5c0f\u4e0e\u4fe1\u9053\u5bb9\u91cf\u5339\u914d\u7684\u95ee\u9898\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u901a\u8fc7\u7279\u5236\u7684Smacker\u6570\u636e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Michael Niedermayer",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.videolan.org/?p=ffmpeg.git;a=commit;h=4a9af07a49295e014b059c1ab624c40345af5892",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07849",
  "openTime": "2015-11-30",
  "patchDescription": "FFmpeg\u662f\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nFFmpeg 2.6.5\u4e4b\u524d\u7684\u7248\u672c\uff0c2.7.3\u4e4b\u524d\u76842.7.x\u7248\u672c\u548c2.8.2\u53ca\u4e4b\u524d\u76842.8.x\u7248\u672clibavcodec / smacker.c\u6587\u4ef6\u4e2d\u7684smka_decode_frame\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u672a\u9a8c\u8bc1\u6570\u636e\u5927\u5c0f\u4e0e\u4fe1\u9053\u5bb9\u91cf\u5339\u914d\u7684\u95ee\u9898\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u901a\u8fc7\u7279\u5236\u7684Smacker\u6570\u636e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "FFmpeg \u0027smka_decode_frame\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "FFmpeg FFmpeg \u003c2.6.5",
      "FFmpeg FFmpeg  2.7.x(\u003c2.7.3)",
      "FFmpeg FFmpeg  2.8.x(\u003c=2.8.2)"
    ]
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8365\r\nhttp://git.videolan.org/?p=ffmpeg.git;a=commit;h=4a9af07a49295e014b059c1ab624c40345af5892",
  "serverity": "\u4e2d",
  "submitTime": "2015-11-27",
  "title": "FFmpeg \u0027smka_decode_frame\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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